Bluetooth(R) - Sound Quality Concerns: Overview

Classification: EL11-016B

Reference: ITB11-038B

Date: July 13, 2011

2011-2012 M; BLUETOOTH(R)PHONE SOUND QUALITY

This bulletin has been amended. Only the APPLIED VEHICLE section and the beginning of this bulletin have been changed to indicate that this bulletin only applies to vehicles with Navigation. No changes to procedure have been made to body of bulletin.

APPLIED VEHICLE: 2011-2012 M (Y51) with Navigation only

APPLIED VIN AND DATE:
2011 All
2012 vehicles built before: JN1EY1AP(*)CM910240 / 08-Feb-2011
JN1BY1AP(*)CM330592 / 08-Feb-2011
JN1BY1AR(*)CM390960 / 08-Feb-2011
JN1AY1AP(*)CM530057 / 08-Feb-2011
JN1AY1AR(*)CM580055 / 14-Feb-2011

IF YOU CONFIRM

The vehicle has NAVI.

And the customer describes the following:

When using the Bluetooth(R) hands free phone system the person on the other end of the call tells me that I am hard to understand such as:

^ Voice quality is not clear or is garbled

^ Sounds like you are under water

^ Sounds like you are in a tunnel

^ Voice cannot be understood

^ Voice is choppy and cuts out

ACTIONS

1. Reprogram the Multi-AV (with NAVI) system.

^ You must follow all of the steps in the Service Procedure to properly reprogram the Multi-AV system.

2. Replace the system microphone with the one from the Parts Information section of this bulletin.

IMPORTANT:
The purpose of ACTIONS (above) is to give you a quick idea of the work you will be performing. You MUST closely follow the entire Service Procedure as it contains information that is essential to successfully completing this repair.





PARTS INFORMATION





CLAIMS INFORMATION